Hello,
I have a level 25 guild for sale. It is on US - Illidan - Horde side.
Some of the achievements are:
7 bank slots FILLED with items
Lil' Tarecgosa pet
Tailored Shirts (Guild Pandaria Dungeon Hero achievement)
BoA legs
Guild Battlemasters (Guild Feature of Strength)
...and more!
Asking price is $70 via paypal or 60k on Kel'Thuzad (Alliance).
I have sold guilds here in the past and have positive rep. Feel free to ask questions or send me a message. Thank you!